Airbag assembly of vehicle and vehicle

The air bag assembly comprises an air inflation device and an air bag body, the air inflation device is connected with the air bag body, the air inflation device is suitable for inflating the air bag body, the air bag body is provided with a first end wall facing a passenger and a second end wall away from the passenger, and the first end wall and the second end wall are oppositely arranged. A plurality of drawstrings are arranged in the air bag main body, the plurality of drawstrings are connected between the first end wall and the second end wall, two adjacent drawstrings are separated, and at least two drawstrings in the plurality of drawstrings are different in length. According to the air bag, the at least two drawstrings with different lengths are arranged in the air bag main body, and when a vehicle is collided, the shorter drawstrings can tightly pull the first end wall of the air bag main body, so that the sunken part which is sunken towards the air bag main body is formed on the first end wall, the